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Issue 29332801: Issue 3424 - Update buildtools dependency for URL Fixer to revisoin b02d0532e33c (Closed)
Patch Set: Created Dec. 16, 2015, 1:17 p.m.
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1 <html>
2 <head>
3 <meta charset="utf-8">
4 </head>
5 <body>
6 <script type="text/javascript; version=1.8">
7 let exports = {};
8 let Cu = {
9 reportError: function(e)
10 {
11 console.error(e);
12 }
13 };
14 </script>
15 <script type="text/javascript; version=1.8" src="buildtools/lib/hooks.js"></sc ript>
16 <script type="text/javascript; version=1.8">
17 "use strict";
18
19 function test(testFunc)
20 {
21 let calls = [];
22 let o = {
23 "hookable": function(a, b)
24 {
25 calls.push(["orig", a, b]);
26 return "origResult";
27 }
28 };
29
30 function equals(actual, expected, message)
31 {
32 actual = JSON.stringify(actual);
33 expected = JSON.stringify(expected);
34 if (actual != expected)
35 throw new Error(message + " (expected: " + expected + ", actual result :" + actual + ")");
36 }
37
38 function checkResult(args, resultExpected, callsExpected)
39 {
40 calls.splice(0, calls.length);
41 let result = o.hookable.apply(o, args);
42
43 equals(result, resultExpected, "Call result");
44 equals(calls, callsExpected, "Calls order");
45 }
46
47 try
48 {
49 testFunc(o, calls, checkResult);
50 }
51 catch (e)
52 {
53 let pre = document.createElement("pre");
54 pre.style.backgroundColor = "#faa";
55 pre.textContent = e + "\n" + e.stack;
56 document.body.appendChild(pre);
57 }
58 }
59
60 test((o, calls, checkResult) =>
61 {
62 checkResult([1, 2], "origResult", [["orig", 1, 2]]);
63 });
64
65 // Simple hook
66 test((o, calls, checkResult) =>
67 {
68 let unhook = exports.hook(o, "hookable", function(a, b)
69 {
70 calls.push(["hook", a, b]);
71 });
72 checkResult([3, 4], "origResult", [["hook", 3, 4], ["orig", 3, 4]]);
73
74 unhook();
75 checkResult([5, 6], "origResult", [["orig", 5, 6]]);
76 });
77
78 // Advanced hook: modifying parameters and adding cleanup
79 test((o, calls, checkResult) =>
80 {
81 let unhook = exports.hook(o, "hookable", function(a, b)
82 {
83 calls.push(["hook", a, b]);
84 return [9, 10];
85 }, function()
86 {
87 calls.push("cleanup");
88 });
89 checkResult([7, 8], "origResult", [["hook", 7, 8], ["orig", 9, 10], "clean up"]);
90
91 unhook();
92 checkResult([11, 12], "origResult", [["orig", 11, 12]]);
93 });
94
95 // Some other extension overriding the hook in a smart way
96 test((o, calls, checkResult) =>
97 {
98 let unhook = exports.hook(o, "hookable", function(a, b)
99 {
100 calls.push(["hook", a, b]);
101 });
102
103 let origFunc = o.hookable;
104 o.hookable = function(a, b)
105 {
106 calls.push(["override", a, b]);
107 return origFunc.call(this, a, b);
108 };
109 checkResult([13, 14], "origResult", [["override", 13, 14], ["hook", 13, 14 ], ["orig", 13, 14]]);
110
111 o.hookable = origFunc;
112 unhook();
113 checkResult([15, 16], "origResult", [["orig", 15, 16]]);
114 });
115
116 // Some other extension overriding the hook in a dumb way with toString()
117 test((o, calls, checkResult) =>
118 {
119 let unhook = exports.hook(o, "hookable", function(a, b)
120 {
121 calls.push(["hook", a, b]);
122 });
123
124 let origFunc = o.hookable;
125 o.hookable = eval("(" + String(origFunc).replace("{", "{calls.push(['overr ide', a, b]);") + ")");
126 checkResult([17, 18], "origResult", [["hook", 17, 18], ["override", 17, 18 ], ["orig", 17, 18]]);
127
128 // This will currently fail - our hook is removed but other extension's ho ok stays
129 o.hookable = origFunc;
130 unhook();
131 checkResult([19, 20], "origResult", [["orig", 19, 20]]);
132 });
133
134 // Some other extension overriding the hook in a dumb way with toString() fo r restoring as well
135 test((o, calls, checkResult) =>
136 {
137 let unhook = exports.hook(o, "hookable", function(a, b)
138 {
139 calls.push(["hook", a, b]);
140 });
141
142 let origSource = o.hookable.toString();
143 o.hookable = eval("(" + origSource.replace("{", "{calls.push(['override', a, b]);") + ")");
144 checkResult([21, 22], "origResult", [["hook", 21, 22], ["override", 21, 22 ], ["orig", 21, 22]]);
145
146 // This will currently fail - our hook is removed but other extension's ho ok stays
147 o.hookable = eval("(" + origSource + ")");
148 unhook();
149 checkResult([23, 24], "origResult", [["orig", 23, 24]]);
150 });
151
152 // Some other extension overriding the hook in a dumb way with toSource()
153 test((o, calls, checkResult) =>
154 {
155 let unhook = exports.hook(o, "hookable", function(a, b)
156 {
157 calls.push(["hook", a, b]);
158 });
159
160 let origFunc = o.hookable;
161 o.hookable = eval(origFunc.toSource().replace("{", "{calls.push(['override ', a, b]);"));
162 checkResult([25, 26], "origResult", [["hook", 25, 26], ["override", 25, 26 ], ["orig", 25, 26]]);
163
164 // This will currently fail - our hook is removed but other extension's ho ok stays
165 o.hookable = origFunc;
166 unhook();
167 checkResult([27, 28], "origResult", [["orig", 27, 28]]);
168 });
169
170 alert("All tests done");
171 </script>
172 </body>
173 </html>
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